feat: improve luasnip

modules/programs/nvim/default.nix

@@ -12,10 +12,6 @@ in
 
   config = mkIf cfg.enable {
     home-manager.users.moritz = {
-      xdg.configFile."nvim/snippets" = {
-        recursive = true;
-        source = ./plugins/snippets;
-      };
 
       home.packages = with pkgs; [
         xdotool # for vimtex

modules/programs/nvim/new_plugins/cmp.nix

@@ -5,6 +5,15 @@ let
 in
 {
   home-manager.users.moritz.programs.nixvim = {
+    extraConfigLuaPre = ''
+      local has_words_before = function()
+        if vim.api.nvim_buf_get_option(0, "buftype") == "prompt" then
+          return false
+        end
+        local line, col = unpack(vim.api.nvim_win_get_cursor(0))
+        return col ~= 0 and vim.api.nvim_buf_get_text(0, line-1, 0, line-1, col, {})[1]:match("^%s@*$") == nil
+      end
+    '';
     plugins.cmp = {
       autoEnableSources = true;
       enable = true;
@@ -27,7 +36,7 @@ in
               ["<Tab>"] = cmp.mapping(function(fallback)
                 if cmp.visible() then
                   cmp.select_next_item({ behavior = cmp.SelectBehavior.Select })
-                elseif require("luasnip").locally_jumpable(1) then
+                elseif require("luasnip").locally_jumpable(1) and has_words_before() then
                   require("luasnip").jump(1)
                 else
                   fallback()

modules/programs/nvim/new_plugins/luasnip.nix

@@ -4,7 +4,12 @@ let
   inherit (lib) mkEnableOption mkIf readFile;
 in
 {
-  home-manager.users.moritz.programs.nixvim = {
+  home-manager.users.moritz = {
+    xdg.configFile."nvim/snippets" = {
+      recursive = true;
+      source = ../snippets;
+    };
+    programs.nixvim = {
       plugins.luasnip = {
         enable = true;
         settings = {
@@ -23,5 +28,11 @@ in
           ft_func.__raw = ''require("luasnip.extras.filetype_functions").from_pos_or_filetype'';
         };
       };
+      extraConfigLuaPost = ''
+        require("luasnip.loaders.from_lua").load({ paths = "~/.config/nvim/snippets" })
+        require("luasnip.loaders.from_snipmate").lazy_load({ paths = "~/.config/nvim/snippets" })
+        require("luasnip.loaders.from_vscode").lazy_load()
+      '';
+    };
   };
 }

modules/programs/nvim/plugins/snippets/elixir.lua

@@ -1,46 +0,0 @@
-local ls = require("luasnip")
-local s = ls.snippet
-local sn = ls.snippet_node
-local isn = ls.indent_snippet_node
-local t = ls.text_node
-local i = ls.insert_node
-local f = ls.function_node
-local c = ls.choice_node
-local d = ls.dynamic_node
-local r = ls.restore_node
-local events = require("luasnip.util.events")
-local ai = require("luasnip.nodes.absolute_indexer")
-local extras = require("luasnip.extras")
-local l = extras.lambda
-local rep = extras.rep
-local p = extras.partial
-local m = extras.match
-local n = extras.nonempty
-local dl = extras.dynamic_lambda
-local fmt = require("luasnip.extras.fmt").fmt
-local fmta = require("luasnip.extras.fmt").fmta
-local conds = require("luasnip.extras.expand_conditions")
-local postfix = require("luasnip.extras.postfix").postfix
-local types = require("luasnip.util.types")
-local parse = require("luasnip.util.parser").parse_snippet
-local ms = ls.multi_snippet
-local k = require("luasnip.nodes.key_indexer").new_key
-
-local def_template = [[
-def {fname}({args}) do
-  {final}
-end
-]]
-
-local def = s(
-  "def",
-  fmt(def_template, {
-    fname = i(1, "fname"),
-    args = i(2),
-    final = i(3),
-  }, { priority = 1001 })
-)
-
-return {
-  def,
-}

modules/programs/nvim/snippets/elixir.snippets

@@ -0,0 +1,71 @@
+snippet defmodule "Define a new module"
+  defmodule ${1} do
+    ${2}
+  end
+
+snippet def "Define a function"
+  def ${1} do
+    ${2}
+  end
+
+snippet defw "Define a function with guard"
+  def ${1}(${2}) when ${3} do
+    ${4}
+  end
+
+snippet defa "Define a function with arguments"
+  def ${1}(${2}) do
+    ${3}
+  end
+
+snippet defp "Define a private function"
+  defp ${1} do
+    ${2}
+  end
+
+snippet defpw "Define a private function with guard"
+  defp ${1}(${2}) when ${3} do
+    ${4}
+  end
+
+snippet defpa "Define a private function with arguments"
+  defp ${1}(${2}) do
+    ${3}
+  end
+
+snippet defmacro "Define a macro"
+  defmacro ${1}(${2}) do
+    ${3}
+  end
+  
+snippet defmacrow "Define a macro with guard"
+  defmacro ${1}(${2}) when ${3} do
+    ${4}
+  end
+
+snippet quote "Quote block"
+  quote do
+    ${1}
+  end
+
+snippet quoteb "Quote block with bind_quoted"
+  quote bind_quoted: [${1}] do
+    ${2}
+  end
+
+snippet do "Do block"
+  do
+    ${1}
+  end
+
+snippet if "If block"
+  if ${1} do
+    ${2}
+  end
+
+snippet ife "If-Else block"
+  if ${1} do
+    ${2}
+  else
+    ${3}
+  end

modules/programs/nvim/snippets/snippets.snippets

@@ -0,0 +1,7 @@
+snippet snip
+	snippet ${1:trigger} "${2:description}"
+		${0:${VISUAL}}
+snippet v
+	{VISUAL}
+snippet $
+	${${1:1}:${0:text}}